The present invention relates to drum type washing machines, and more particularly, to a top cover supporting structure for covering a top of a drum type washing machine. The top cover supporting structure of the present invention includes a front panel (200), at least one top cover supporting member (210) at an upper portion of a rear of the front panel (200), and a top cover (130) placed to an upper surface of the top cover supporting member (210), thereby permitting to support an enamel coated top cover (130) which can not have a structure like a supporting rib at an edge thereof.